Use Any Method to Evaluate the Integral $$\int \frac { \cos x } { \sin ^ { 2 } x } d x$$

Multiple Choice

Use any method to evaluate the integral.
- $$\int \frac { \cos x } { \sin ^ { 2 } x } d x$$

A) $- \csc x + C$
B) $- \sec x + C$
C) $\sec x + C$
D) $\csc x + C$